Portable cooking grill



FIG. 1 is a perspective view showing the top, front and left end of the portable cooking grill showing my new design;

FIG. 2 is a right end elevational view thereof, the left end being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a portable cooking grill, as shown and described. 